[Twisted-web] Nevow: returning defer.succeed() from the data_* or render_* method

Thomas HERVE therve at free.fr
Wed Sep 14 01:43:16 MDT 2005

Quoting en.karpachov at ospaz.ru:

> What's wrong with the code below?
> def simple(ctx, data):
>    return defer.succeed("Hello, world!")
> [snip]
> I get an exception
> "exceptions.RuntimeError: maximum recursion depth exceeded"
> rendering this page. It's the defer.succeed what causes this error; if I
> return bare string, all is ok.

The real question is : why do you want to return a Deferred ?


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